Forma Scientific 3546 - 6.12 Replacing the 0.3 Amp Fuse; 6.13 Replacing the Blower Motor

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6-12
 Cut the wires to the defective thermistor, making note of the connections.
 Attach the new thermistor using the electrical in-line connectors.
 Install the new thermistor by reversing the above procedure. Take care not to
damage the probe tip and make sure that the probe is fully extended in the
sheath. Reseal the port with Silastic or similar material.
6.12 Replacing the 0.3 Amp Fuse
The 0.3 amp fuse is located in the center of the control panel tray behind the
CO
2
monitor module housing. (See the fuse replacement chart in Section 6.14)
To replace the fuse:
 Turn the incubator off and disconnect it from the power source.
 Remove the 10 screws securing the right side access panel. Remove the
panel and set aside.
 Use a fuse puller or a small screwdriver to lift one end of the fuse. Remove
the fuse and discard it.
 Insert a new 0.3 Amp fuse into the fuse holder.
 Re-secure the control panel.
 Connect power to incubator. Turn power switch ON and check operation of
controls.
6.13 Replacing the Blower Motor
 Turn the incubator off and disconnect it from the power source.
 Remove the shelves, duct sheets and blower channel from the incubator
interior.
 Remove and save the bottom blower wheel located inside the chamber by
firmly pulling it down. Remove the snap ring (if present) from the motor
shaft groove using needle-nose pliers.